Apple is planning to remove support for 32-bit apps in macOS, but if you’re ready for the future, you can enable a 64-bit-only mode on your Mac right now. Here’s how to do it, as well as why you may want to hold off on killing 32-bit apps so soon.
Have you recently seen a warning from Apple that a particular app or game is “not optimized for your Mac?” If so, this means that at least one of the apps installed on your Mac is 32-bit only, and Apple is in the process of requiring apps to move to 64-bit. Here’s how to check if you have 32-bit apps installed on your Mac, and what to do if you find some.
Many PC users have upgraded to 64-bit versions of Windows and third party software, and they enjoy the increased access to system memory and speed that the architecture provides. But it’s not a good idea to run every app in 64-bit mode. One example is Office, and we explain why some users may prefer the 32-bit version.